.tree{
    padding: 12px;
    border-right:#ddd solid 1px;
    width:auto;
    height:auto;
    font-size: 14px;
    line-height: 20px;
    max-width: 600px;
    min-width:200px;
    min-height: 600px;
    max-height: 600px;
    overflow-x: visible;
}
.tree ul{
    padding-left: 12px;
}
.tree ul li{
    padding-left: 12px;
}
.tree li ul{
    display: none;
}
.tree span{
    font-size:6px;
    margin-right: 6px;
    color: #aaa;
    cursor: pointer;
    font-weight:bolder;
    border: #999 solid 1px;
    font-family: "Times New Roman";
    padding: 0px 2px;
}
.tree i{
    font-size: 12px;
    color: #4476A7;
}